Propagation of surface plasmon polaritons through gradient index and periodic structures |
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| Authors: | T.?Váry P.?Marko? |
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| Affiliation: | (1) Institute of Electronics “E. Djakov”, Bulgarian Academy of Sciences, 1784 Sofia, Bulgaria;(2) Faculty of Physics, Sofia University “St. Kliment Ohridski”, 1164 Sofia, Bulgaria |
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| Abstract: | We study propagation of surface electromagnetic waves along a metallic surface covered by various layered dielectric structures. We show that strong radiative losses, typical for scattering of a surface wave, can be considerably suppressed when a single dielectric step is substituted by gradient index or periodic layered structure. |
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